Smart 36V 13A Waterproof LiFePO4 Charger
- TopologyDC-DC Step-Up Boost
- Input / OutputDC 12V → DC 43.8V 13A
- EnclosureIP68 Potted Aluminum
Core Product Engineering
High-Efficiency LiFePO4 Battery Chargers & Converters
Manufactured under strict ISO 9001, CE, and RoHS protocols. Below are our high-demand charging and voltage stabilization models built for rugged field duty and direct Patras B2B supply.
600W AC-DC Waterproof LiFePO4 Charger
- Mains Input90–265V AC (Universal)
- Charging Rails14.6V, 29.2V, 58.4V
- ProtectionOVP, OCP, SCP, OTP
300W Marine LiFePO4 AC-DC Charger
- EnvironmentSalt-Spray Resistant Sealed
- Output Rails14.6V / 29.2V / 43.8V
- PlugsEU Type C/F, UK, US
400W DC-DC Dual-Battery Charger
- Input Tolerance10–36V DC Alternator
- Charge CurvePrecision 3-Stage CC/CV
- ApplicationRV, Yacht & Service Vans
Multi-Bank 600W Vessel & EV Charger
- Selectable Banks12V, 24V, 36V, 48V LiFePO4
- Cooling MethodPassive Die-Cast Heatsink
- Efficiency> 92.5% at Full Load
1500W Buck-Boost Converter with RS485
- Dynamic In10–60V Ultra-Wide DC
- Bus Outputs12V, 24V, 28V, 48V Stabilized
- CommsRS485 Modbus Telemetry
Isolated 18–90V to 12V 10A Module
- Isolation1500VDC Galvanic Barrier
- SuppressionCommon Mode Noise Block
- ApplicationPort Telematics & Forklifts
24V to 12V 100A Synchronous Buck
- Continuous Current100 Amperes (1200W)
- Peak Efficiency96% Synchronous Rectification
- Use CaseCommercial Bus, Logistics Fleets
500+
Active Standard Power Models
130+
Global Export Destinations
IP68
Harsh Environment Ingress Rating
5 pcs
Low Sample MOQ for Engineers
Regional Integration
Mission-Critical Applications Across Greater Patras & Western Greece
As Greece’s western maritime gateway to the Ionian Sea and the Adriatic corridor, Patras presents rigorous thermal, chemical, and operational challenges for battery charging infrastructure.
Ionian Maritime & Commercial Fishing
Salt mist corrosion and high moisture in Patras' ports demand true IP67/IP68 potted LiFePO4 chargers. Our chargers prevent galvanic corrosion while feeding dedicated 12V and 24V lithium house banks from shore power or onboard variable-speed generators without overheating in engine compartments.
Intermodal Port Logistics & Transport Hubs
Patras functions as a key transit crossroads linking Greek motorways (Olympia Odos) with Italian maritime freight. Commercial trucking fleets and container handling equipment rely on our 24V-to-12V synchronous buck converters and multi-stage DC-DC auxiliary battery chargers to protect modern telemetry, GPS, and cabin HVAC units.
Peloponnese Off-Grid Solar & Olive Farming
Agricultural enterprises and isolated tourist facilities around Achaea operate off-grid PV microgrids. When ambient temperatures exceed 40°C in Mediterranean summers, our wide-input buck-boost battery chargers maintain strict absorption curves (3.65V per cell) without thermal runaway or premature float transition.
Engineering Deep-Dive
LiFePO4 Charging Curves vs. Traditional Lead-Acid Topologies
Understanding internal resistance, voltage flat-lines, and alternator thermal stress in Mediterranean marine and industrial conversions.
Why Direct Alternator Charging Fails Lithium Chemistry in Marine Environments
LiFePO4 cells maintain a remarkably flat discharge plateau between 13.0V and 13.3V (for a 12V 4S configuration) with internal resistance under 5 milliohms. When an unmanaged lithium pack is connected directly to a standard marine engine alternator in Patras, the alternator runs at maximum ampacity down into low engine RPMs. Because internal alternator fans spin slower at idle, winding temperatures rapidly exceed 130°C, causing stator burn-out or premature regulator breakdown.
Our battery-to-battery (DC-DC) chargers solve this fundamental conflict. By regulating incoming voltage (8V–90V dynamic window) and implementing algorithmic current throttling, the charger acts as a precision buffer. It prevents alternator burnout while elevating incoming voltage to precisely 14.6V (or 29.2V for 24V banks), achieving complete saturation of the cathode structure without triggering the onboard Battery Management System (BMS) over-voltage disconnect.
Constant Current (CC) Phase
Delivers bulk charging current up to 95% State of Charge (SOC) while maintaining power stage efficiency above 93%, minimizing thermal heat dissipation within sealed enclosures.
Constant Voltage (CV) Phase
Maintains cell absorption at precisely 3.65V per cell until current tapers below C/20, preventing unwanted lithium plating on the graphite anode structure.
Zero-Damage Float & Standby
Unlike lead-acid chargers that boil electrolytes with continuous trickle voltages, our microcontroller drops the rail to an inert resting voltage (13.6V), eliminating cell stress.
Localized Trends: The Electrification Wave Across Patras & Western Greece
The Greek National Energy and Climate Plan (NECP) and municipal decarbonization efforts in Western Greece are driving substantial electrification across the Peloponnese region. Three strategic market shifts dominate local demand:
1. Shoreline Electrification & Low-Emission Ports: Port authorities and private yacht charters around Patras, Rio, and Kyllini are modernizing shoreside electrical supply. High-power AC-DC chargers with PFC (Power Factor Correction > 0.98) are now mandated by local electrical contractors to minimize reactive power penalties on municipal grids.
2. Telematics & Cold-Chain Trans-Shipment: Cross-border commercial trucks traversing the Patras-Bari and Patras-Ancona ferry routes require auxiliary power supplies that buffer voltage drops during long wait times. Isolated DC-DC converters safeguard temperature logging computers and IoT cargo trackers from brownout spikes when diesel truck engines turn over.
3. Autonomous Solar Pumping in Achaean Agriculture: Olive and vineyard processing facilities are migrating away from diesel pumping systems to 48V DC brushless pump configurations. Wide-range buck-boost converters bridge dynamic battery voltages (42V–58V) directly into regulated 24V or 48V motors without power degradation.
Verified Manufacturing Capability
Shenzhen Eltrum Electronic Co., Ltd.
Founded in 2015, Eltrum operates an onsite-verified 3,000 m² cleanroom manufacturing facility in Shenzhen, China. Our technical engineering division specializes exclusively in power electronics, encompassing buck, boost, buck-boost, transformer-isolated DC-DC converters, and waterproof lithium battery chargers.
- ISO 9001:2015 Certified: Full batch traceability from primary silicon MOSFET sourcing to finished potted units.
- CE & RoHS Compliance: Verified electromagnetic compatibility (EMC/EMI) and hazardous substance compliance for unimpeded import into the European Union.
- 100% Thermal Burn-In Testing: Every unit undergoes 4-hour full-load thermal stress testing prior to container departure.
- Engineering-Led Customization (OEM/ODM): Tailor custom CV/CC thresholds, CANbus/RS485 communications, custom IP68 connectors, and buyer-branded private labels.
- Flexible Sample Validation: Low MOQ starting from just 5 pieces to support engineering prototyping for Patras B2B distributors.
Procurement Intelligence
Frequently Asked Questions by Greek & Patras Buyers
Everything procurement engineers, marine technicians, and equipment distributors need to know regarding shipping, compliance, and product customization.
How are shipments handled to Patras, Greece, and what are the standard lead times?
We provide flexible Incoterms including FOB Shenzhen, CIF Piraeus/Patras, and EXW for clients handling consolidated air and sea freight. Urgent sample batches (5–20 units) are dispatched via DHL/FedEx/UPS Express with transit to Patras typically completed within 4 to 6 business days. Full container loads (FCL) or palletized shipments (LCL) clear through Piraeus or Patras cargo terminals with all standardized packing lists, CE declarations, and EUR.1 documentation supplied.
Are your chargers fully certified for Greek and EU grid safety standards?
Yes. All Eltrum power conversion hardware and LiFePO4 battery chargers conform strictly to European Union CE directives, including the Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility (EMC 2014/30/EU). Our hardware adheres to RoHS substance restrictions, preventing prohibited toxic flame retardants or heavy metals from entering your EU supply chain.
Can Eltrum configure customized charging voltages for non-standard battery packs?
Absolutely. While our standard lineup supports 12V (14.6V), 24V (29.2V), 36V (43.8V), and 48V (58.4V) LiFePO4 chemistry, our internal R&D engineering division routinely develops bespoke firmware parameters. We can calibrate specific absorption cutoffs, float voltages, low-temperature charging lockout thresholds, and digital communication protocols (RS485 Modbus or CANbus) to coordinate with proprietary BMS architectures.
How do the chargers perform during extreme Greek summer temperatures?
Our chargers and converters are encased in high-grade thermally conductive aluminum housings filled with aerospace-grade silicone potting compound. This ensures optimal thermal transfer to the external fins while completely isolating internal power stages from dust, salt spray, and vibration. The units are rated for ambient operation up to +60°C, incorporating automated internal over-temperature foldback protection that safely scales current rather than causing abrupt shutdowns.
What is your minimum order policy for testing and system trials in Western Greece?
To enable mechanical and electrical validation by your local engineers, our standard MOQ starts at only 5 units for most converters and chargers. High-wattage models (such as our 1500W buck-boost modules) can be procured in sample batches of 1 to 2 pieces. Volume commercial discounts scale progressively at 50, 200, and 1,000+ unit thresholds.
What payment terms are offered to authorized European corporate accounts?
We accept standard international wire transfers (T/T), PayPal for sample orders, and Escrow in either USD or EUR. For established OEM partners and regular volume distributors across the European continent, credit lines and customized progress payment terms are accessible following credit verification.
Power Your Projects with Verified Industrial Engineering
Direct from our Shenzhen ISO 9001 factory to your operations in Patras, Western Greece, and across Europe. Contact our engineering team today for technical datasheets, sample orders, or custom OEM production quotes.